The CJX3139K is a high-quality NPN Bipolar Junction Transistor (BJT) from JSCJ (JCET), a leading manufacturer of semiconductor devices. This transistor is designed for a wide range of applications, including amplification, switching, and signal processing. Its NPN configuration allows for efficient current flow and reliable performance. The CJX3139K comes in a space-saving SOT-23 package, making it easy to integrate into compact circuit designs. Supreme Components International is an authorised distributor of JSCJ components, guaranteeing the authenticity and quality of this product. Whether you're working on a hobby project or a professional application, the CJX3139K offers the performance and reliability you need. Benefit from our extensive inventory and fast shipping options.